Average Co-Inventor Count = 1.00
ph-index = 1
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Ernst Leitz G.m.b.h. (1 from 31 patents)
1 patent:
1. 4087153 - Binoculars with double hinge bridge and resilient biasing